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304034

Sigma-Aldrich

2,3-Dimethyl-2-butene solution

1.0 M in THF

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About This Item

Linear Formula:
(CH3)2C=C(CH3)2
CAS Number:
563-79-1
Molecular Weight:
84.16
MDL number:
MFCD00008897
UNSPSC Code:
12352100
PubChem Substance ID:
24858318

form

liquid

autoignition temp.

754 °F

concentration

1.0 M in THF

density

0.857 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

C\C(C)=C(\C)C

InChI

1S/C6H12/c1-5(2)6(3)4/h1-4H3

InChI key

WGLLSSPDPJPLOR-UHFFFAOYSA-N

General description

2,3-Dimethyl-2-butene undergoes ozonolysis in dark to yield hydroxyl radical. Reaction of ozone with 2,3-dimethyl 2-butene was investigated using a flow-tube interfaced to UV photoelectron spectrometer. It forms adduct with thianthrene cation radical tetrafluoroborate at 0°C and -15°C.

Application

Used for the preparation of thexylborane.

Signal Word

Danger

Hazard Statements

H225,H302,H319,H335,H351

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

EUH019

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

1.4 °F

Flash Point(C)

-17 °C

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Certificates of Analysis (COA)

Lot/Batch Number
SHBC8414
16496JJ
00228DD
20723AB
08324CZ

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Bing-Jun Zhao et al.
The Journal of organic chemistry, 71(10), 3737-3742 (2006-05-06)
Thianthrene cation radical tetrafluoroborate (Th*+ BF4-) has been found to add to 2,3-dimethyl-2-butene (DMB) at 0 degrees C and -15 degrees C. The adduct, 2,3-dimethyl-2,3-(5,10-thianthreniumdiyl)butane ditetrafluoroborate (12), was isolated at -15 degrees C, and its 1H NMR spectrum was recorded
Maryline Pflieger et al.
Environmental science & technology, 47(12), 6239-6246 (2013-05-15)
In order to investigate the heterogeneous oxidation kinetics of the herbicide terbuthylazine (TERB), a stable and reproducible generation system of "dark" hydroxyl radical in the gas phase was developed and optimized using a PTR-MS. TERB was adsorbed on silica particles
P Di Mascio et al.
Free radical biology & medicine, 12(6), 471-478 (1992-01-01)
Ultraweak chemiluminescence arising from lipoperoxidation has been attributed by several authors to the radiative deactivation of singlet oxygen and triplet carbonyl products. The latter emitters have been suggested to come from annihilation of RO. and ROO. radicals as well as
Bert F Sels et al.
Journal of the American Chemical Society, 129(21), 6916-6926 (2007-05-10)
A heterogeneous catalyst containing MoO42- exchanged on layered double hydroxides (Mo-LDHs) is used to produce 1O2 from H2O2, and with this dark 1O2, unsaturated hydrocarbons are oxidized in allylic peroxides. The oxidation kinetics are studied in detail and are compared
Relative reactivities of the excited states of furocoumarins for [2 + 2] photocycloaddition reaction with tetramethylethylene.
S C Shim et al.
Photochemistry and photobiology, 45(4), 453-458 (1987-04-01)
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